25314512501 has 2 divisors, whose sum is σ = 25314512502. Its totient is φ = 25314512500.

The previous prime is 25314512449. The next prime is 25314512513. The reversal of 25314512501 is 10521541352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25138419601 + 176092900 = 158551^2 + 13270^2 .

It is a cyclic number.

It is not a de Polignac number, because 25314512501 - 2¹⁰ = 25314511477 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25314512591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12657256250 + 12657256251.

It is an arithmetic number, because the mean of its divisors is an integer number (12657256251).

Almost surely, 2^25314512501 is an apocalyptic number.

It is an amenable number.

25314512501 is a deficient number, since it is larger than the sum of its proper divisors (1).

25314512501 is an equidigital number, since it uses as much as digits as its factorization.

25314512501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 25314512501 in words is "twenty-five billion, three hundred fourteen million, five hundred twelve thousand, five hundred one".